Descriptive Questions

  1. What are the elements of a television system?
  2. Explain the significance of scanning.
  3. What are the different scanning methods?
  4. Differentiate between linear scanning, sequential scanning and interlaced scanning.
  5. Define the following terms: (a) Frame (b) Critical flicker frequency (c) Odd and even field (d) Trace and retrace (e) Active and inactive lines (f) Aspect ratio (g) Kell factor (h) Flicker (i) Vertical resolution (j) Horizontal resolution (k) Picture element (l) Video bandwidth (m) Test Card (n) Negative video polarity (o) Gamma.
  6. What are the constituents of composite video signal?
  7. Explain the working of a monochrome video camera with the help of a simplified diagram.
  8. What are the characteristics of a camera tube? ...

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